Side by side

Seestern Sub 300 V4vsSeiko 5 Sports SKX series

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sub 300 V4
SeesternSub 300 V4
MSRP $10
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $495

At a glance

16 of 29 specs differ
Diameter
Sub 300 V442mm
5 Sports SKX series42.5mm
Power Reserve
Sub 300 V441h
5 Sports SKX series41h
Water Resistance
Sub 300 V4200m
5 Sports SKX series100m
MSRP
Sub 300 V4$10
5 Sports SKX series$495

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
42mm
42.5mm
Thickness
13mm
13.6mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Underside
Inner
Dial Color
Orange
Black
Lume
Japan Lume (blue glow)
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko NH35A
4R34
Beat Rate
21,600 vph
28,800 vph
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$495

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

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